Patents by Inventor Carin C. C. Johansson Seechum

Carin C. C. Johansson Seechum has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Complexes
    Patent number: 10597416
    Abstract: The present invention provides a complex of formula (1), wherein, M is palladium or nickel, R1 and R2 are independently organic groups having 1-20 carbon atoms, or R1 and R2 are linked to form a ring structure with the phosphorus atom, R3 is selected from the group consisting of substituted and unsubstituted aryl, substituted and unsubstituted heteroaryl, and substituted and unsubstituted metallocenyl, R4 is an organic group having 1-20 carbon atoms, n is 0, 1, 2, 3, 4 or 5, and X is an anionic ligand. The invention also provides a process for the preparation of the complex, and its use in carbon-carbon or carbon-nitrogen coupling reactions.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: March 24, 2020
    Assignee: Johnson Matthey PLC
    Inventors: Thomas John Colacot, Carin C. C. Johansson Seechum, Sebastien Laurent Parisel
  • Complexes
    Publication number: 20190016742
    Abstract: The present invention provides a complex of formula (1), wherein, M is palladium or nickel, R1 and R2 are independently organic groups having 1-20 carbon atoms, or R1 and R2 are linked to form a ring structure with the phosphorus atom, R3 is selected from the group consisting of substituted and unsubstituted aryl, substituted and unsubstituted heteroaryl, and substituted and unsubstituted metallocenyl, R4 is an organic group having 1-20 carbon atoms, n is 0, 1, 2, 3, 4 or 5, and X is an anionic ligand. The invention also provides a process for the preparation of the complex, and its use in carbon-carbon or carbon-nitrogen coupling reactions.
    Type: Application
    Filed: September 20, 2018
    Publication date: January 17, 2019
    Inventors: Thomas John Colacot, Carin C. C. Johansson Seechum, Sebastien Laurent Parisel